The set of polynomials is closed under the operation of subtraction.
A: Which equations...
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Mathematics, 14.04.2020 21:45 lex4395
The set of polynomials is closed under the operation of subtraction.
A: Which equations illustrate this concept?
B: Which statements correctly explain this concept?
There may be more than one correct answer for each question. Select all correct answers for each question.
B: The difference of the polynomials (3xβ4) and (2x+2) is a polynomial, xβ6, which shows there is closure under subtraction.
A: (2x^2+2x+1)β(x^2+xβ4)=x2+x+5
B: The product of the polynomials (x^2β3x+1) and (2x+2) is a polynomial, 2x^3β4x^2β4x+2, which shows there is closure under subtraction.
B: The difference of the polynomials (2x^2+2x+1) and (x2+xβ4) is a polynomial, x2+x+5, which shows there is closure under subtraction.
A: (3xβ4)β(2x+2)=xβ6
A: (xβ3)+(x+2)=2xβ1
B: The sum of the polynomials (xβ3) and (x+2) is a polynomial, 2xβ1, which shows there is closure under subtraction.
A: (x^2β3x+1)(2x+2)=2x^3β4x^2β4x+2
B: The sum of the polynomials (3xβ4) and (8x+2) is a polynomial, 11xβ2, which shows there is closure under subtraction.
A: (3xβ4)+(8x+2)=11xβ2
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